Usage of perlbal as a caching server

[Erez]

Hey, we've been using Perlbal for load balancing and reverse proxy,
and are trying to figure out a way of using it also as a caching
server, meaning, when a client asks for a resource (like an image),
the perlbal server will both cache it on the server, and reproxy the
call to that new location.

I gather that the reproxying can be done (albeit not dynamically), but
is there a way in perlbal to pull the resource, cache it and then
referring the client, and future calls to that resource to the cached
location?

TIA,
Erez

[Ask Bjørn Hansen]

See Varnish -- run that in front of perlbal.

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[dormando]

Not too sure what you're referring to with reproxying. You can do that
fairly dynamically if you want.

Look in the plugins that come with Perlbal. There's a LazyCDN example
which pretty closely does what you're talking about.